WASHINGTON — The Justice Department on Tuesday named Colette Peters, the director of Oregon’s prison system, to run the federal Bureau of Prisons, turning to a reform-minded outsider as it seeks to rebuild the beleaguered agency.Peters, who championed steeply reducing the state’s inmate population in the last decade, will inherit a federal agency plagued by myriad scandals. Her hiring comes about seven months after Bureau of Prisons Director Michael Carvajal submitted his resignation amid mounting …